ROXs 42 B b
A confirmed exoplanet orbiting ROXs 42 B.
Compared with Earth
- Mass
- About 2,860 times Earth's mass.
- Temperature
- About 1,702 °C (3,095 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Planet
- Radius
- Unknown
- Mass
- 2,860 × Earth
- Density
- Unknown
- Equilibrium temperature
- 1,975 K
- Starlight received
- Unknown
- Orbital period
- Unknown
- Average distance from its star
- 157 AU
Star
- Host star
- ROXs 42 B
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- Unknown
- Mass
- 1 × Sun
- Age
- 0.0027 billion years
System
- Distance from Earth
- 468.3 light-years (143.6 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2013
- Method
- Imaging
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.